SMDJ43CA - Product Overview and Specifications

Introduction

The SMDJ43CA belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are used to protect sensitive electronic components from voltage spikes and surges. These diodes are characterized by their high surge capability and fast response time, making them essential for safeguarding a wide range of electronic devices.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage spikes and surges
• Characteristics: High surge capability, fast response time
• Package: SMD (Surface Mount Device)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Part Number: SMDJ43CA
• Peak Pulse Power: 3000W
• Breakdown Voltage: 43V
• Operating Voltage: 36.8V
• Reverse Standoff Voltage: 43V
• Clamping Voltage: 69.4V
• Peak Pulse Current: 77.4A
• Polarity: Unidirectional

Detailed Pin Configuration

The SMDJ43CA is a surface mount device with two terminals. The pin configuration includes the anode and cathode connections, which are crucial for proper installation and functionality.

Functional Features

• High Surge Capability: Can withstand large transient currents without damage.
• Fast Response Time: Reacts quickly to voltage spikes, providing rapid protection to connected circuits.
• Low Clamping Voltage: Limits the voltage across the protected circuit to prevent damage.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact SMD package for easy integration into circuit boards
• Fast response time ensures minimal impact on connected devices

Disadvantages

• Unidirectional protection only
• May require additional components for bidirectional protection

Working Principles

When a voltage spike occurs, the SMDJ43CA conducts current to divert the excess energy away from the protected circuit. This action prevents the voltage from reaching levels that could damage sensitive components, effectively safeguarding the connected electronics.

Detailed Application Field Plans

The SMDJ43CA is commonly used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMDJ5.0A: Breakdown Voltage - 5V
• SMDJ12A: Breakdown Voltage - 12V
• SMDJ24A: Breakdown Voltage - 24V
• SMDJ58A: Breakdown Voltage - 58V

In conclusion, the SMDJ43CA TVS diode offers robust protection against voltage transients, making it an essential component in numerous electronic applications.

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